Hosted by Mary Evelyn Tucker, the 10 hour, 20-part, 4-disc JOURNEY OF THE UNIVERSE: CONVERSATIONS series integrates the perspectives of the sciences and the humanities into a retelling of our 14 billion year story. “Conversations” with scientists, historians, and environmentalists explores the unfolding story of Earth, the universe and the role of humans in responding to our present challenges. The series contains interviews and conversations with some of the greatest minds of our time.